'use strict'
// Template version: 1.3.1
// see http://vuejs-templates.github.io/webpack for documentation.

const path = require('path')

module.exports = {
  dev: {

    // Paths
    assetsSubDirectory: 'static',
    assetsPublicPath: '/',

    // Various Dev Server settings
    open: true,
    host: 'localhost',
    port: 80,
    proxyTable:  {
      '/api': {
        // /api 的意义在于，声明axios中url已/api开头的请求都适用于该规则，
        // 注意是以/api开头，即：axios.post({url: '/api/xxx/xxx'})
        target: 'http://localhost:8080/',
        // 此处target的意义在于：造成跨域是因为访
        // 问的host与我们的请求头里的origin不一致，所以我们要设置成一致，这个具体请看下文
        changeOrigin: true,
        pathRewrite: {'^/api': 'http://localhost:8080/'}
        // 此处是大部分文章都不会明说的的地方，
        // 既然我们设置了代理，则所有请求url都已写成/api/xxx/xxx，那请求如何知道我们到底请求的是哪个服务器的数据呢
        // 因此这里的意义在于， 以 /api开头的url请求，代理都会知道实际上应该请求那里，
        // ‘我是服务器/api’，后面的/api根据实际请求地址决定，即我的请求url：/api/test/test，被代理后请求的则是
        // https://我是服务器/api/test/test
      }
    },
    before: app => {},


    /**
     * Source Maps
     */

    // https://webpack.js.org/configuration/devtool/#development
    devtool: 'cheap-module-eval-source-map',

    // If you have problems debugging vue-files in devtools,
    // set this to false - it *may* help
    // https://vue-loader.vuejs.org/en/options.html#cachebusting
    cacheBusting: true,

    cssSourceMap: true
  },

  build: {
    // Template for index.html
    index: path.resolve(__dirname, '../dist/index.html'),

    // Paths
    assetsRoot: path.resolve(__dirname, '../dist'),
    assetsSubDirectory: 'static',
    assetsPublicPath: '/',

    /**
     * Source Maps
     */

    productionSourceMap: true,
    // https://webpack.js.org/configuration/devtool/#production
    devtool: '#source-map',

    // Gzip off by default as many popular static hosts such as
    // Surge or Netlify already gzip all static assets for you.
    // Before setting to `true`, make sure to:
    // npm install --save-dev compression-webpack-plugin
    productionGzip: false,
    productionGzipExtensions: ['js', 'css'],

    // Run the build command with an extra argument to
    // View the bundle analyzer report after build finishes:
    // `npm run build --report`
    // Set to `true` or `false` to always turn it on or off
    bundleAnalyzerReport: process.env.npm_config_report
  }
}
